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    arjununnithan's Avatar
    arjununnithan Posts: 1, Reputation: 1
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    #1

    Dec 6, 2007, 07:45 AM
    What is the differnce between Mp3 & Mp4 formats ?
    Please describe the basic differences between mp3 & mp4 formats ?
    RickJ's Avatar
    RickJ Posts: 7,762, Reputation: 864
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    #2

    Dec 6, 2007, 07:52 AM
    Here you go: https://www.askmehelpdesk.com/mp3/di...at-100615.html
    And
    https://www.askmehelpdesk.com/other-...mp4-14941.html
    ane's Avatar
    ane Posts: 27, Reputation: 0
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    #3

    Dec 31, 2007, 08:26 PM
    Of course mp4 is most advance system than mp3
    ane's Avatar
    ane Posts: 27, Reputation: 0
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    #4

    Dec 31, 2007, 08:27 PM
    Mp4 is most advance format
    Dchdman's Avatar
    Dchdman Posts: 226, Reputation: 17
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    #5

    Jan 3, 2008, 09:57 AM
    MP3

    The name of the file extension and also the name of the type of file for MPEG, audio layer 3. Layer 3 is one of three coding schemes (layer 1, layer 2 and layer 3) for the compression of audio signals. Layer 3 uses perceptual audio coding and psychoacoustic compression to remove all superfluous information (more specifically, the redundant and irrelevant parts of a sound signal. The stuff the human ear doesn't hear anyway). It also adds a MDCT (Modified Discrete Cosine Transform) that implements a filter bank, increasing the frequency resolution 18 times higher than that of layer 2.

    The result in real terms is layer 3 shrinks the original sound data from a CD (with a bit rate of 1411.2 kilobits per one second of stereo music) by a factor of 12 (down to 112-128kbps) without sacrificing sound quality.


    Because MP3 files are small, they can easily be transferred across the Internet.

    MPEG -- Stands for "Motion Picture Experts Group". This is the standard for compressing and storing audio and video files on the Internet and transferring them to portable audio/video players.



    If this Helped rate it.
    Dchdman's Avatar
    Dchdman Posts: 226, Reputation: 17
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    #6

    Jan 3, 2008, 09:59 AM
    MP4

    May refer to the MPEG-4 technology in general or to its file structure, which uses the .MP4 extension. MP4 files are container formats that can hold a mix of multimedia objects (audio, video, images, animations, menus, etc.). See MPEG and MP4 player.

    So it just takes it one step further

    Also I believe MP3 only does Music but MP4 Does (audio, video, images, animations, menus, etc.).

    If this Helped rate it.
    vveer's Avatar
    vveer Posts: 2, Reputation: 1
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    #7

    Jul 27, 2008, 05:11 AM
    Comment on Dchdman's post
    5/5

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